Debt (Seller Notes) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	May. 31, 2013
Business Acquisition [Line Items]
Note payment due in 2015	$ 1,250
Note payment due in 2016	$ 1,250
Seller Notes Payable [Member] | FileBound [Member]
Business Acquisition [Line Items]
Note face amount		$ 3,500
Stated interest rate (percent)		5.00%
Note payment due in 2015		$ 3,000
Note payment due in 2016		$ 500